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Evaluate $2 \times 2$ Determinant $\left| \begin{array} { l l } 4 & 2 \\1 & 5\end{array} \right|$

Question 129

Multiple Choice

Evaluate $2 \times 2$ determinant. $\left| \begin{array} { l l } 4 & 2 \\1 & 5\end{array} \right|$

A) 22
B) 13
C) 18

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